Features: This product is a wireless switch that supports momentary and toggle modes. Users can add the device to the Smart Life app to remotely control connected home appliances or devices. In toggle mode, users can remotely turn connected devices on or off instantly. In momentary mode, two wiring options are available, and the activation duration can be configured via the app. 4G-enabled remote control—no programming required. Simply download the app, insert a compatible 4G SIM card, and control the device from anywhere with cloud connectivity. Note: 1. A 4G SIM card is not included. Users must provide their own. 2. Based on user feedback, the device is compatible with most European and Russian SIM cards. Compatibility with SIM cards from other regions is not guaranteed. Specifications: Input Voltage: AC 85–250 V / USB 5 V Maximum Current: 10 A Wireless Connectivity: 4G LTE Operating Temperature: –20 °C to 70 °C Operating Humidity: ≤80% RH Color: White Material: ABS Note: Slight variations in printing or screen printing may occur between production batches; these do not affect functionality. Color appearance may vary slightly due to lighting or display differences. Package Includes: 1 × Smart Switch